A woman and her seven year old son were inside a taxi. They drive by a redlight district and the little boy notices several girls standing by the roadside.
"Mummy, what are all those women doing?."
His mother replies,"They are waiting for their husbands to come back from work."
The taxi driver turns around and says, "Why don't you tell him the
truth? Little boy, they are prostitutes, they sleep with men for
money."
The boy's eyes open wide and he asks, "Mummy, is that true?"
His mother, glaring at the driver, replies, "Yes, dear."
After a few minutes, the boy asks, "Mummy, what happens to the babies those women have?"
She replied, "They become taxi drivers.